Here's a look at 10 unusual items you'll find on the menu, alongside its usual mince pies, Christmas cake and selection of seasonal beverages:
A twist on the ever-popular sausage roll, but with a combination of festive flavour: seasoned turkey breast mince with pieces of sweetcure bacon and sweetened dried cranberries.
Both vegan and gluten free, this new addition to the Greggs festive menu is likely to go down a storm with many: a sweet treat of marshmallows with puffed rice, diced candied orange peel, sweetened dried cranberries and orange flavoured biscuit pieces in a vanilla flavoured coating.
Sign up to our daily newsletter
The i newsletter cut through the noise
A twist on the classic pigs in blankets, this festive feast of a baguette is filled with pork sausages, sweetcure bacon, pork, sage and onion stuffing with a Cranberry and port sauce.
Christmas Dinner also comes in soup form, with smoked bacon, chicken, turkey, sage and onion stuffing, pork sausage, vegetables, herbs and spices. This is a gluten free option.
All your favourite cuts from the Christmas table with sliced turkey breast with pork, sage and onion stuffing, sweetcure bacon, fresh salad leaves with a cranberry and port sauce and mayonnaise on malted bread.
The list wouldn't be complete without this iconic Greggs favourite, containing pieces of chicken breast, sage & onion stuffing and sweetcure bacon in a creamy sage and cranberry sauce.
Is it even Christmas without these festive favourites? More commonly found on your festive dinner plate, Greggs are selling tubs of pork sausages wrapped in smoked streaky bacon to keep you going on cold winter days.
A ginger biscuit, covered in Belgian Milk chocolate and decorated with sugar ball sprinkles and a sugar paste star.
A vanilla flavoured fairy bun decorated with fondant icing and hand finished with sugar sprinkles and a festive novelty plastic ring. Greggs warn the decorations are non-edible, and are unsuitable for children under 36 months.
Shortbread topped with caramel sauce, Belgian milk chocolate and finished with a gold-coloured decoration to add sparkle.